For all word problems, students must write the equation. For all Array questions, students must draw the picture and write the repeated addition equation. For all problems, students must EXPLAIN how they got their answer.

Addition Strategies

100

What is a doubles strategy to find the sum of 8 + 9?

8 + 8 = 16 + 1 = 17

OR

9 + 9 = 18 - 1 = 17

200

How do you make a 10 to solve 9 + 5?

10 + 4 = 14

300

Find the sum of 7 + 8 using the make-a-ten strategy.

10 + 5 = 15

400

4 + 4 + 7 = ?

15

500

8 + 2 + 6 = ?

16

Subtraction Strategies

100

What is 15 - 7?

8

200

How can you count back to solve 19 - 4?

18, 17, 16, 15

15

300

Write the two subtraction facts in the fact family for the numbers 6, 7, and 13.

13 - 6 = 7

13 - 7 = 6

400

Write the two subtraction facts in the fact family for the numbers 9, 8, and 17.

17 - 8 = 9

17 - 9 = 8

500

Complete the make-a-ten subtraction strategy: 16 - 9 is the same as 10 - ?

10 - 3 = 7

Word Problems

100

Maya picked 9 red apples and 6 green apples. How many apples did she pick in all?

9 + 6 = 15

200

Leo has 16 books. He gives 7 of them to his friend. How many books does Leo have left?

16 - 7 = 9

300

Sam needs 18 tickets for a prize. He has 9 tickets so far. How many more tickets does he need?

18 - 9 = 9

400

Chloe's trip has two parts. The first flight is 6 hours long, and the second flight is 5 hours long. How many hours total is her trip?

6 + 5 = 11

500

A farmer has 6 cows, 4 sheep, and 8 chickens. How many animals are on the farm altogether?

6 + 4 + 8 = 18

Even & Odd

100

Is the number 14 Even or Odd?

EVEN

200

Is the number 27 Even or Odd?

ODD

300

Noah has an even number of oranges split equally into 2 bowls. Which total could he have: 7, 10, or 13?

10 (5 in each bowl)

400

Question: Which equation shows a sum of two equal addends?

A) 6 + 5 = 11

B) 8 + 8 = 16

C) 9 + 7 = 16

B) 8 + 8 = 16

500

Mrs. Davis has an odd number of students in her art class. The number is greater than 14 but less than 17. How many students are in her class?

15 students

Arrays & Equal Groups

100

What is the repeated addition equation for 3 groups of 4 hearts?

4 + 4 + 4 = 12

200

Lucas arranged his toy cars into 3 rows with 5 cars in each row. How many toy cars does he have in all?

5 + 5 + 5 = 15

300

A bakery arranges cookies in 4 rows with 6 cookies in each row. How many cookies are there total?

6 + 6 + 6 + 6 = 24

400

Write an addition equation to show 20 cupcakes in 4 equal rows. 

5 + 5 + 5 + 5 = 20

500

Write a skip-counting sequence to find the total number of items arranged in 5 rows of 4.

4, 8, 12, 16, 20